/**
 * This file is part of 1genia trampoline
 * Copyright (C) 2007 1genia (contact@1genia.com)
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; version 3 of the License. 
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details. 
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; see the file COPYING.TXT.  If not,
 * write to the Free Software Foundation, Inc., 51 Franklin Street,
 * Fifth Floor, Boston, MA 02110-1301, USA. 
 **/
package com.genia.toolbox.web.gwt.form.client.form.impl;

import com.genia.toolbox.web.gwt.basics.client.support.GwtObjectUtils;
import com.genia.toolbox.web.gwt.form.client.form.DynamicRadioButtonItem;
import com.genia.toolbox.web.gwt.form.client.visitor.FormVisitor;

/**
 * this class is an implementation of a radioButtonItem.
 */
public class DynamicRadioButtonItemImpl
    extends AbstractSimpleItem
    implements DynamicRadioButtonItem
{

  /**
   * true if vertical display.
   */
  private boolean verticalDisplay;



  /**
   * make class visitable by visitor.
   * 
   * @param visitor
   *          is of type FormVisitor.
   */
  public void accept(final FormVisitor visitor)
  {
    visitor.visitDynamicRadioButtonItem(this);

  }



  /**
   * Indicates whether some other object is "equal to" this one.
   * 
   * @param obj
   *          the reference object with which to compare.
   * @return <code>true</code> if this object is the same as the obj argument;
   *         <code>false</code> otherwise.
   * @see java.lang.Object#equals(java.lang.Object)
   */
  @Override
  public boolean equals(final Object obj)
  {
    if (this == obj) {
      return true;
    }

    if (obj == null) {
      return false;
    }

    if (!super.equals(obj)) {
      return false;
    }

    if (obj instanceof DynamicRadioButtonItemImpl) {
      DynamicRadioButtonItem item = (DynamicRadioButtonItem) obj;

      return isVerticalDisplay() == item.isVerticalDisplay();
    }

    return false;
  }



  /**
   * Returns a hash code value for the object. This method is supported for the
   * benefit of hashtables such as those provided by
   * <code>java.util.Hashtable</code>.
   * 
   * @return a hash code value for this object.
   * @see java.lang.Object#hashCode()
   */
  @Override
  public int hashCode()
  {
    return GwtObjectUtils.nullSafeHashCode(new Object[] { new Integer(super.hashCode()), new Boolean(isVerticalDisplay()) });
  }



  /**
   * getter for the verticalDisplay property.
   * 
   * @return the verticalDisplay
   */
  public boolean isVerticalDisplay()
  {
    return verticalDisplay;
  }



  /**
   * setter for the verticalDisplay property.
   * 
   * @param verticalDisplay
   *          the verticalDisplay to set
   */
  public void setVerticalDisplay(final boolean verticalDisplay)
  {
    this.verticalDisplay = verticalDisplay;
  }

}
